Johann Jakob Leonhardt - Pedigree | FamilyCentral
 5 Mar 1830 - 4 Jul 1891
 28 Oct 1795 - 11 Dec 1852
 28 Mar 1807 - 17 Jul 1865
 3 Jan 1761 - 26 Jan 1839
 6 May 1769 - 13 Jan 1826
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